Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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alternating current electrical current that reverses direction at regular intervals. (Cf. direct current.)
current affairs events of a political, societal, or economic nature that are occurring in the present time and are often covered in the media.
direct current an electric current that flows in one direction.
grid current the flow of electrons from the grid to the cathode of a vacuum tube.
Humboldt Current a cold current of the Pacific Ocean flowing north along the coasts of Chile and Peru.
Labrador Current a cold ocean current that flows south past Labrador and then divides into eastern and western branches.